Machine for doubling and twisting silk and other threads



(No Model.)

J. E. TYNAN.

MACHINE FOR DOUBLING AND TWISTING SILK AND OTHER'THREADS.

No. 326,530. Patented'Sept; 15, 1885.

WITNESSES ATTORNEYS.

UNITED STATES PATENT OFFicE.

JOSEPH E. TYNAN, OF PATERSON, NEXV JERSEY.

MACHlNE FOR DOUBLING AND TWISTING SILK AND OTHER THREADS.

SPECIFICATION forming part of Letters Patent No. 326,530, datedSeptember 15, 1885.

Application filed October 12, 1882. Renewed October 27, 1884. (Nomodel.)

Z0 CLZZ whom it may concern:

Be it known that I, JOSEPH E. TYNAN, of Paterson, in the county ofPassaic and State of New Jersey, have invented a new and ImprovedMachine for Doubling and Twisting Silk and other Threads, of which thefollowing is a full, clear, and exact description.

My improvements relate to machines for doubling and twisting silk andother threads in the manufacture of what is known as tram and allvarieties of twist, inwhich the threads are fed from the spools orbobbins, doubled, and then twisted or spun.

The invention consists in certain novel features of construction of thefeeding and stop mechanism, and in the construction and arrangement ofthe spindles, as hereinafter described and claimed.

Reference is to be had to the accompanying drawings, forming part ofthis specification, in which similar letters of reference indicatecorresponding parts in all the figures.

Figure 1 is a transverse vertical section, part in elevation, of aportion of a doubling and twisting machine of my improved construction.Fig. 2 is a plan view of the bobbin-board, the thread-doublers, the feedmechanism, and the stop-motion. Fig. 3 is an elevation of a portion of aspindle, showing some of its accessories in transverse section. Fig. 4is an elevation of a bushing serving as a bearing for the loose pulley.Fig. 5 isa horizontal section at 00, Fig. 3. Fig. 6 is a detailhorizontal section at m, Fig. 1, and a top view of the adjacent partsbelow. Fig. 7 is a detail horizontal section at 3 Fig. 1, and a top viewof the adjacent parts below. Fig. 8 isa central longitudinal section ofthe friction dev1ce.

A is the frame of the machine. a is the spindle or step-rail. b is theupper supporting-rail, and c is the ring-rail.

d is the spindle, stepped on the rail a, as hereinafter described, andprovided with a fast pulley, c, and loose pulleyf.

g is the main driving-shaft, which is to be rotated by a primemover, andcarries a grooved pulley, h, with a belt, 1;, that drives the spindle(Z.

g is a shaft carrying a pulley, h, above the pulley h, the belt ibeingcarried around the two pulleys h h so as to extend in a nearlyhorizontal direction from between these two pulleys to the pulleys ofthe spindle.

is is the stop-motion rod, provided with pins 7 0', extending above andbelow the belt i.

Z is the feedroller, attached by friction devices upon a shaft, it Forsuch a friction device see Fig. 8, in which Z represents thefriction-roller mounted to revolve on the shaft Z between two collars,Z,which are adjustably secured upon said shaft by means of setscrews.The rollerl is hollowed out at one end to receive a spring, 1', theaction of which is to press the roller Z along the shaft against theright hand collar, Z", itself springing against the left-hand collar asa base. Thus the roller Z is caused to revolve with theshaft Z byfrictional contact with said collar at the right, and the amount offriction may be regulated by adjusting the collars farther apart ornearer together, and so fixing them on the shaft by means of theset-screws.

As shown in Fig. 3, the spindle d is supported by a step, a, in abushing, m, which is driven firmly into a step-holder, b, that is fixedrigidly in the rail a. Above the rail a the step-holder b is formed asan oil-receptacle, m.

The loose pulley f is formed with a sleeve, f, that extends downwardinto the oil-cup m, and around the spindle within the sleeve f thebushing m extends upward and forms a bearing for the loose pulley. Thebore of the bushing upward from the step is made larger than thediameter of the spindle, to prevent the oil from rising when the spindleis revolving, as shown most clearlyin Fig. 4. The bushing m is slottedat opposite sides, so as to prevent the oil from rising too rapidly whenthe loose pulley is in motion, the edges of these longitudinal slotsserving to scrape the oil off from the inner face of the pulley-sleeveand pass it to the bottom, and the bore of the loose pulley at its upperend is made smaller to prevent the oil that rises when it is in motionfrom escaping-that is to say, the upper end of the loose pulley isconstructed with an inwardly-projecting flange for this purpose.

The sleeve f of the loose pulley is provided with a collar, f whichprevents oil from rising on the outside of the flange and flowing overthe oil-box.

In an aperture of therail b is fixed a box, a,

through which the spindleexteuds,and around the spindle within the box'nis a spiral spring, '11, which at, its ends takes snugly upon thebushing on the spindle,and which is enlarged at its center to bearagainst the inner side of the box, so that the spring tends to retainthe spindle in a central position, and at the same time this springallows a limited side movement of the spindle, thereby insuring a moreeven running of the spindle with an unbalanced bobbin. The bushing 0extends downward into an oil-cup, 0,formed upon the upper side of thefixed pulley e, and, as shown, it is provided with grooves in its sides,which serve to convey the oil that is carried over the top of thebushing downward to the oil-cup 0 This carrying back to the foot of thespindle the oil which is constantly worked upward within the bearing andout at its toppreserves the oil which would otherwise be soon thrownaway and leave the bearing dry. Thus it insures the oiling of thebearing above the pulley.

At D is represented the board provided with pins for receiving bobbinsof thread to be doubled and twisted. Upon the upper end of thestop-motion rod is is a frame, p, provided with a cross-pimp, upon whichare hung the fallers q. On this frame is pivoted an arm or lever, 1",that extends at one side of the feed-roller Z, for engaging with pins ron the end of said roller. The inner or rear end of lever r isformedinto two arms, 1), through which a cross-pin, 8, extends at alittle distance below the fallers q, while said fallers are supported onthe threads.

WVhen a thread breaks, it liberates a faller, which, falling upon thecross-pin s, operates the lever r to effect the stopping of the spindle,as hereinafter described.

The frame 19 is provided with an arm, .9, to which horizontal rods t areattached,th at serve to support the threads at each side of the pointswhere the fallers q rest on them. The frame 1; is also provided with aguide-eye, t, and tension device a. This tension device consists of thewire which is coiled to form the eye 1;, extended toward the feed-rollerlin which is carried by a standard, m and is grooved, as shown mostclearly in Fig. 2, and the feed-roller Zis also formed with a groove, 1,at one side. The stop-n1otion rod and the parts it carries is supportedin its raised position by engagement with a fixed piece, 1), upon thecross-rail c.

At the lower end of the rod is fixed a springarm, w,which comes incontact with a flange, d, on the spindle or on the pulley e, limits thedownward movement of the rod, and also serves as a brake to stop therotation of the give a slight return movement to the rod' after itstrikes the gong, so as to clear the end of the rod from the gong. Thelower end of the rod is is guided by a fixed piece, b, on the rail a, towhich the gong is also attached.

Beneath the feed-roller l is a faller, d, pivoted on a pin, 6, andprovided with an eye at the outer end for receiving the double thread asit passes from the feed-roller to the traveler on the ring-rail c. Thisfaller is provided with a tail portion, f, projecting beneath the leverr infront of the pivot p. This faller is for the operation of the stopmotion in case the thread slackens or breaks in front of thefeed-ro1ler.

In operation the threads pass from the bobbins on the board D throughhooks g, thence above the rods t, and through the eyes of theirrespective fallers, to and around the wire 11., where the threads aredoubled, and the tension adjusted by giving the united thread more orless turns around said wire u. The double thread then passes around thefeedroller Z and over the small grooved roller u a sufficient number oftimes to prevent any slip of the thread on the roller, the terminationof the winding being in the groove P of the feed-roller, and it thenpasses through the front faller, d, to the traveler. The groovedfeed-roller serves to prevent the portion of the thread which isreceiving the twist from being carried in contact with the other part ofthe thread where the twist has not commenced, and the grooved roller itprevents the several laps of thread from running to gether.

The number of fallers q required for use can be regulated by havingreserve fallers hanging below the pin 8, and when more are required foruse the pin can be withdrawn, the fallers raised above it, and the pinthen returned to its place.

In case of the breakage of either thread, its faller being released, theinner end of the arm 1' is borne down and the outer end thrown upward,so as to be caught by one of the pins 1 on the feed-roller, and the armbeing thereby moved backward, the stop-rod k is released from itssupport 1), and, falling, carries the belt 6 downward upon the loosepulley. At the same time the brake-arm w, bearing upon the flange d,stops the spindle instantly, and the lower end of the stop-rod, strikingthe gong a", gives the alarm. When the rod k falls, the arm or lever 0comes in contact with a projection, h*, on the standard supporting theroller u, and holds the tooth on the arm 7' in contact with the pin inthe feed-roller. At the same time this projection h serves as a fulcrumfor the lever r in resetting the parts, as, by pressing down on theouter end of the lever, the stop-rod will be raised to its position andthe spindle set in motion.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is

1. -The combination, with the fallers q, the support therefor, and thelever 1, having the rear extending arm, 0, of the cross-pins,substantially as and for the purpose specified.

2. The combination, with the stop-motion rod k, the lever r, thefeed-roller Z, provided with pins 0", the shaft Z, the collars Z, andthe spring Z, of the standard m", having a projection, h as shown anddescribed.

3. The rod 70 and mechanism, substantially as described, for releasingthe same when a thread breaks, in combination with the bell a, situatedbeneath said rod, the spring-arm w, secured to said rod, and a stop forspring w, substantially as described, whereby said rod when releasedwill fall directly upon the bell and then be lifted therefrom, asspecified.

tical oil-grooves, and the spring n, of the pulley e, having an oil-cup,0, into which the bushing extends, as shown and described.

5. The combination, with the spindle d and oil-receptacle m, of theloose pulley f, having the downwardly-extended sleeve f, and at itsupper end the inwardly-projecting flange, as shown and described, andfor the purpose specified.

JOSEPH E. TYN AN.

Witnesses:

GEo. D. WALKER, O. SEDGWIOK.

